brown: "it's everything we hoped." today, suspended 42 feet above the museum floor, "femme" is fulfilling her intended role. she stands tall, as the 76-foot mobile by miro's close friend alexander calder slowly circles by. she is in the company of the works of other modern masters such as henry moore and jean arp, of david smith, noguchi, caro, rosati and motherwell. but she stands alone at the head of the south wall as a unifying force and vital core of color in the east building of the national gallery of art. ( music ) ( music ) narrator: thomas moran embarked on his first trip to the west in 1871. the united states at the time was still recovering from the ravages of the civil war. americans turned with hope to the western frontier. by painting the pristine grandeur of these remote places, moran enabled 19th-century americans to visualize a magnificent landscape most would never see. his paintings transformed their perceptions of the west. from 1867 to 1879, the united states government sponsored four western exped